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Soft, comfortable silicone engineered to stay firmly in the nostril, forming a perfect seal without the need for straps.
- Good quality and brand new
- Easy to wear and take down
- Effective relieve snoring,improve quality of sleeping.
- Clean air, filtered air of harmful gases and dust.
- Insist on using can effectively alleviate asthma.
- Apply in many situation, indoor, outdoor, hospitals, etc.